Loosing Carrie Fisher at the end of 2016 was tragic. Loosing her mother, Debbie Reynolds the very next day was heartbreaking. But watching the two and their incredible relationship in the new HBO documentary all about their life is ultimately depressing in the most powerful of ways.

Bright Lights will air on the network on January 8 and features clips showcasing the incredible bond between the mother-daughter duo. "I'm my mom's best friend. Far more than I would ever want to, I know what my mother feels and wants," Fisher said in the brand new trailer below.